Base | Representation |
---|---|
bin | 110101000100111010… |
… | …100100101111011110 |
3 | 12110002210012121110210 |
4 | 311010322210233132 |
5 | 1413204114433012 |
6 | 42103050113250 |
7 | 4055166432444 |
oct | 650472445736 |
9 | 173083177423 |
10 | 56990780382 |
11 | 2219589a8a8 |
12 | b06611b826 |
13 | 54b3198373 |
14 | 2a88d6ab94 |
15 | 173848c23c |
hex | d44ea4bde |
56990780382 has 32 divisors (see below), whose sum is σ = 120727648800. Its totient is φ = 17873343488.
The previous prime is 56990780351. The next prime is 56990780387. The reversal of 56990780382 is 28308709965.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56990780387) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208744 + ... + 396932.
It is an arithmetic number, because the mean of its divisors is an integer number (3772739025).
Almost surely, 256990780382 is an apocalyptic number.
56990780382 is an abundant number, since it is smaller than the sum of its proper divisors (63736868418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56990780382 is a wasteful number, since it uses less digits than its factorization.
56990780382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191180.
The product of its (nonzero) digits is 6531840, while the sum is 57.
The spelling of 56990780382 in words is "fifty-six billion, nine hundred ninety million, seven hundred eighty thousand, three hundred eighty-two".
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